Forum: Poser - OFFICIAL


Subject: External HD with Poser?

whoopy2k opened this issue on Jul 05, 2005 ยท 30 posts


svdl posted Tue, 05 July 2005 at 6:08 PM

Something about those specs: 133 MB/sec is the maximum that the ATA bus can transport. The maximum sequential read speed using the internal drive cache that modern hard drives can reach now exceeds 100 MB/sec. So you'd say that those 133 MB/sec are more than enough to transport the data to memory. Except for the fact that you can connect two drives to a single ATA133 slot. And those two drives then have to share the 133 MB/sec. SATA 1 is specified at 150 MB/sec, and only a single drive can be connected. SATA II is specified at 300 MB/sec, which seems a bit overdone, unless you include the larger drive caches (16 MB is not unusual anymore, and 32 MB cache is just around the corner) in the calculations. The 6,100 MB/sec kenyarb mentions is the speed of HyperTransport, the internal processor bus of the Athon64. SATA speed can be upped quite a bit from the current 300 MB/sec, serial technology allows higher speeds than parallel.

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